SINGAPORE - The lifespan of Singapore's one and only offshore landfill is shortening, and to help extend it, the Government has set new waste reduction targets for the nation and an action plan on how to achieve it. By 2030, Singapore wants to send about one-third, or 30 per cent, less waste to Semakau Landfill in a bid to help it last longer than the projected 2035Already, the Semakau Landfill has seen its lifespan shorten from the initial 2045 to the current projection of 2035.